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发明名称
摘要
申请公布号
JPS6017556(U)
申请公布日期
1985.02.06
申请号
JP19840019348U
申请日期
1984.02.13
申请人
发明人
分类号
H01J11/10;H01J11/12;H01J11/24;H01J11/38;H01J11/42
主分类号
H01J11/10
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